Colors Encyclopedia

HEX atlas value

#4A0000

#4A0000 is a warm red HEX color close to Oxblood. According to Colors Encyclopedia, it converts to RGB 74, 0, 0, HSL 0, 100%, 15%, has luminance 0.0146, and belongs to the dark group.

redwarmdark
#4A0000 Sample readable text
HEX #4A0000
RGB rgb(74, 0, 0)
HSL hsl(0 100% 15%)
CMYK cmyk(0, 100, 100, 71)
Luminance 0.0146
Contrast Black 1.29:1White 16.25:1

CSS

--color-4a0000: #4A0000;
.background-4a0000 { background-color: #4A0000; }
.text-4a0000 { color: #4A0000; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.0146
Black text1.29:1AA Fail
White text16.25:1AA Pass
hexCanonical HEX value
rgbRed, green, blue channels
hslHue, saturation, lightness
cmykApproximate print conversion
wcagAA and AAA contrast options
harmoniesMathematical harmony sets
variantsGenerated tone variants
nearestColorsKnowledge graph neighbors
Download JSON Open API
Structured sections
Color systems
{"hex":"#4A0000","rgb":[74,0,0],"hsl":[0,100,15],"cmyk":[0,100,100,71],"luminance":0.0146,"contrast":{"black":1.29,"white":16.25}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":1.29,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":16.25,"wcagAA":true,"wcagAAA":true}]
Accessible alternatives
[{"name":"Black","hex":"#000000","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1,"contrastWhite":21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Matte Black","hex":"#1A1A1A","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.21,"contrastWhite":17.41,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#440808","hex":"#440808","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.28,"contrastWhite":16.36,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#4D0000","hex":"#4D0000","family":"red","bestTextColor":"#FFFFFF","contrastBlack":1.32,"contrastWhite":15.96,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#4D0026","hex":"#4D0026","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":1.34,"contrastWhite":15.62,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm red","dark","dark red","Oxblood adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents","high-attention visual states"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/4a0000.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/oxblood.json","https://www.colorsencyclopedia.com/api/colors/barn-red.json","https://www.colorsencyclopedia.com/api/colors/maroon.json"]}
Harmonies
{"complementary":"#004C4D","analogous":["#4D0026","#4D2600"],"triadic":["#004D00","#00004D"],"tetradic":["#264D00","#004C4D","#26004D"],"splitComplementary":["#004D26","#00264D"],"monochromatic":["#A80000","#4A0000","#000000"]}
Variants
{"light":"#A80000","dark":"#000000","saturated":"#4D0000","desaturated":"#440808","pastel":"#BD0F0F","neon":"#750000"}
Nearest named colors
[{"slug":"oxblood","name":"Oxblood","hex":"#4A0000","distance":0},{"slug":"barn-red","name":"Barn Red","hex":"#7C0A02","distance":51.02940328869229},{"slug":"maroon","name":"Maroon","hex":"#800000","distance":54},{"slug":"merlot","name":"Merlot","hex":"#541E2E","distance":55.82114294781145},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":60.4648658313239}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #4A0000

#4A0000 is classified as a warm red value with dark visual character. #4A0000 is visually closest to Oxblood, a named red color with HEX #4A0000.

The RGB channels are 74, 0, and 0, with red carrying the strongest channel weight. In HSL, the hue is 0deg with 100% saturation and 15% lightness, so this page treats it as a high-saturation, dark atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and dark theme accents. Its luminance is 0.0146, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.29:1AA Fail
White text16.25:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #4A0000 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.29:1 · Fail
White text#FFFFFF16.25:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000
Matte Black#FFFFFF text · best 17.41:1#1A1A1A
#440808#FFFFFF text · best 16.36:1#440808
#4D0000#FFFFFF text · best 15.96:1#4D0000
#4D0026#FFFFFF text · best 15.62:1#4D0026

Generated Palette

Oxblood#4A0000
#004C4D#004C4D
#4D0026#4D0026
#4D2600#4D2600
#A80000#A80000
Black#000000

Color Harmonies

#004C4D#004C4D
#4D0026#4D0026
#4D2600#4D2600
#004D00#004D00
#00004D#00004D

Variants

#A80000#A80000
Black#000000
#4D0000#4D0000
#440808#440808
#BD0F0F#BD0F0F
#750000#750000

Nearest Named Colors

Oxblood#4A0000
Barn Red#7C0A02
Maroon#800000
Merlot#541E2E
Matte Black#1A1A1A

Related HEX Guides

Oxblood colorOpen the nearest named color reference for #4A0000.Barn Red colorOpen the nearest named color reference for #7C0A02.Maroon colorOpen the nearest named color reference for #800000.Red color familyBrowse named red colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Dark colorsFind colors in the dark group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#4A0000 APIOpen the machine-readable JSON record for this HEX value.